[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR125.113]

[Page 971-972]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
 PART 125_CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING 
 CAPACITY OF 20 OR MORE PASSENGERS OR A MAXIMUM PAYLOAD CAPACITY OF 
 
              Subpart E_Special Airworthiness Requirements
 
Sec.  125.113  Cabin interiors.

    (a) Upon the first major overhaul of an airplane cabin or 
refurbishing of the cabin interior, all materials in each compartment 
used by the crew or passengers that do not meet the following 
requirements must be replaced with materials that meet these 
requirements:
    (1) For an airplane for which the application for the type 
certificate was filed prior to May 1, 1972, Sec.  25.853 in effect on 
April 30, 1972.
    (2) For an airplane for which the application for the type 
certificate was filed on or after May 1, 1972, the materials requirement 
under which the airplane was type certificated.
    (b) Except as provided in paragraph (a) of this section, each 
compartment used by the crew or passengers must meet the following 
requirements:
    (1) Materials must be at least flash resistant.
    (2) The wall and ceiling linings and the covering of upholstering, 
floors, and furnishings must be flame resistant.
    (3) Each compartment where smoking is to be allowed must be equipped 
with self-contained ash trays that are completely removable and other 
compartments must be placarded against smoking.
    (4) Each receptacle for used towels, papers, and wastes must be of 
fire-resistant material and must have a cover or other means of 
containing possible fires started in the receptacles.
    (c) Thermal/acoustic insulation materials. For transport category 
airplanes type certificated after January 1, 1958:
    (1) For airplanes manufactured before September 2, 2005, when 
thermal/acoustic insulation is installed in the fuselage as replacements 
after September 2, 2005, the insulation must meet the flame propagation 
requirements of

[[Page 972]]

Sec.  25.856 of this chapter, effective September 2, 2003, if it is:
    (i) of a blanket construction or
    (ii) Installed around air ducting.
    (2) For airplanes manufactured after September 2, 2005, thermal/
acoustic insulation materials installed in the fuselage must meet the 
flame propagation requirements of Sec.  25.856 of this chapter, 
effective September 2, 2003.

[Doc. No. 19799, 45 FR 67235, Oct. 9, 1980, as amended by Amdt. 125-43, 
68 FR 45084, July 31, 2003; Amdt. 125-50, 70 FR 77752, Dec. 30, 2005]